更改PrimaryObject所有者的获取方式
Signed-off-by: ghuazh <ghuazh@gmail.com>
增加首页查询的扩展，用于支持权限等自定义的查询

Signed-off-by: ghuazh <ghuazh@gmail.com>
Signed-off-by: ghuazh <ghuazh@gmail.com>